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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    package org.apache.commons.configuration.tree;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    import java.util.Collection;<a name="line.19"></a>
<FONT color="green">020</FONT>    import java.util.LinkedList;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.util.List;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>    import org.apache.commons.lang.StringUtils;<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>    /**<a name="line.25"></a>
<FONT color="green">026</FONT>     * &lt;p&gt;<a name="line.26"></a>
<FONT color="green">027</FONT>     * A default implementation of the {@code ExpressionEngine} interface<a name="line.27"></a>
<FONT color="green">028</FONT>     * providing the &amp;quot;native&amp;quote; expression language for hierarchical<a name="line.28"></a>
<FONT color="green">029</FONT>     * configurations.<a name="line.29"></a>
<FONT color="green">030</FONT>     * &lt;/p&gt;<a name="line.30"></a>
<FONT color="green">031</FONT>     * &lt;p&gt;<a name="line.31"></a>
<FONT color="green">032</FONT>     * This class implements a rather simple expression language for navigating<a name="line.32"></a>
<FONT color="green">033</FONT>     * through a hierarchy of configuration nodes. It supports the following<a name="line.33"></a>
<FONT color="green">034</FONT>     * operations:<a name="line.34"></a>
<FONT color="green">035</FONT>     * &lt;/p&gt;<a name="line.35"></a>
<FONT color="green">036</FONT>     * &lt;p&gt;<a name="line.36"></a>
<FONT color="green">037</FONT>     * &lt;ul&gt;<a name="line.37"></a>
<FONT color="green">038</FONT>     * &lt;li&gt;Navigating from a node to one of its children using the child node<a name="line.38"></a>
<FONT color="green">039</FONT>     * delimiter, which is by the default a dot (&amp;quot;.&amp;quot;).&lt;/li&gt;<a name="line.39"></a>
<FONT color="green">040</FONT>     * &lt;li&gt;Navigating from a node to one of its attributes using the attribute node<a name="line.40"></a>
<FONT color="green">041</FONT>     * delimiter, which by default follows the XPATH like syntax<a name="line.41"></a>
<FONT color="green">042</FONT>     * &lt;code&gt;[@&amp;lt;attributeName&amp;gt;]&lt;/code&gt;.&lt;/li&gt;<a name="line.42"></a>
<FONT color="green">043</FONT>     * &lt;li&gt;If there are multiple child or attribute nodes with the same name, a<a name="line.43"></a>
<FONT color="green">044</FONT>     * specific node can be selected using a numerical index. By default indices are<a name="line.44"></a>
<FONT color="green">045</FONT>     * written in parenthesis.&lt;/li&gt;<a name="line.45"></a>
<FONT color="green">046</FONT>     * &lt;/ul&gt;<a name="line.46"></a>
<FONT color="green">047</FONT>     * &lt;/p&gt;<a name="line.47"></a>
<FONT color="green">048</FONT>     * &lt;p&gt;<a name="line.48"></a>
<FONT color="green">049</FONT>     * As an example consider the following XML document:<a name="line.49"></a>
<FONT color="green">050</FONT>     * &lt;/p&gt;<a name="line.50"></a>
<FONT color="green">051</FONT>     *<a name="line.51"></a>
<FONT color="green">052</FONT>     * &lt;pre&gt;<a name="line.52"></a>
<FONT color="green">053</FONT>     *  &amp;lt;database&amp;gt;<a name="line.53"></a>
<FONT color="green">054</FONT>     *    &amp;lt;tables&amp;gt;<a name="line.54"></a>
<FONT color="green">055</FONT>     *      &amp;lt;table type=&amp;quot;system&amp;quot;&amp;gt;<a name="line.55"></a>
<FONT color="green">056</FONT>     *        &amp;lt;name&amp;gt;users&amp;lt;/name&amp;gt;<a name="line.56"></a>
<FONT color="green">057</FONT>     *        &amp;lt;fields&amp;gt;<a name="line.57"></a>
<FONT color="green">058</FONT>     *          &amp;lt;field&amp;gt;<a name="line.58"></a>
<FONT color="green">059</FONT>     *            &amp;lt;name&amp;gt;lid&amp;lt;/name&amp;gt;<a name="line.59"></a>
<FONT color="green">060</FONT>     *            &amp;lt;type&amp;gt;long&amp;lt;/name&amp;gt;<a name="line.60"></a>
<FONT color="green">061</FONT>     *          &amp;lt;/field&amp;gt;<a name="line.61"></a>
<FONT color="green">062</FONT>     *          &amp;lt;field&amp;gt;<a name="line.62"></a>
<FONT color="green">063</FONT>     *            &amp;lt;name&amp;gt;usrName&amp;lt;/name&amp;gt;<a name="line.63"></a>
<FONT color="green">064</FONT>     *            &amp;lt;type&amp;gt;java.lang.String&amp;lt;/type&amp;gt;<a name="line.64"></a>
<FONT color="green">065</FONT>     *          &amp;lt;/field&amp;gt;<a name="line.65"></a>
<FONT color="green">066</FONT>     *         ...<a name="line.66"></a>
<FONT color="green">067</FONT>     *        &amp;lt;/fields&amp;gt;<a name="line.67"></a>
<FONT color="green">068</FONT>     *      &amp;lt;/table&amp;gt;<a name="line.68"></a>
<FONT color="green">069</FONT>     *      &amp;lt;table&amp;gt;<a name="line.69"></a>
<FONT color="green">070</FONT>     *        &amp;lt;name&amp;gt;documents&amp;lt;/name&amp;gt;<a name="line.70"></a>
<FONT color="green">071</FONT>     *        &amp;lt;fields&amp;gt;<a name="line.71"></a>
<FONT color="green">072</FONT>     *          &amp;lt;field&amp;gt;<a name="line.72"></a>
<FONT color="green">073</FONT>     *            &amp;lt;name&amp;gt;docid&amp;lt;/name&amp;gt;<a name="line.73"></a>
<FONT color="green">074</FONT>     *            &amp;lt;type&amp;gt;long&amp;lt;/type&amp;gt;<a name="line.74"></a>
<FONT color="green">075</FONT>     *          &amp;lt;/field&amp;gt;<a name="line.75"></a>
<FONT color="green">076</FONT>     *          ...<a name="line.76"></a>
<FONT color="green">077</FONT>     *        &amp;lt;/fields&amp;gt;<a name="line.77"></a>
<FONT color="green">078</FONT>     *      &amp;lt;/table&amp;gt;<a name="line.78"></a>
<FONT color="green">079</FONT>     *      ...<a name="line.79"></a>
<FONT color="green">080</FONT>     *    &amp;lt;/tables&amp;gt;<a name="line.80"></a>
<FONT color="green">081</FONT>     *  &amp;lt;/database&amp;gt;<a name="line.81"></a>
<FONT color="green">082</FONT>     * &lt;/pre&gt;<a name="line.82"></a>
<FONT color="green">083</FONT>     *<a name="line.83"></a>
<FONT color="green">084</FONT>     * &lt;/p&gt;<a name="line.84"></a>
<FONT color="green">085</FONT>     * &lt;p&gt;<a name="line.85"></a>
<FONT color="green">086</FONT>     * If this document is parsed and stored in a hierarchical configuration object,<a name="line.86"></a>
<FONT color="green">087</FONT>     * for instance the key {@code tables.table(0).name} can be used to find<a name="line.87"></a>
<FONT color="green">088</FONT>     * out the name of the first table. In opposite {@code tables.table.name}<a name="line.88"></a>
<FONT color="green">089</FONT>     * would return a collection with the names of all available tables. Similarly<a name="line.89"></a>
<FONT color="green">090</FONT>     * the key {@code tables.table(1).fields.field.name} returns a collection<a name="line.90"></a>
<FONT color="green">091</FONT>     * with the names of all fields of the second table. If another index is added<a name="line.91"></a>
<FONT color="green">092</FONT>     * after the {@code field} element, a single field can be accessed:<a name="line.92"></a>
<FONT color="green">093</FONT>     * {@code tables.table(1).fields.field(0).name}. The key<a name="line.93"></a>
<FONT color="green">094</FONT>     * {@code tables.table(0)[@type]} would select the type attribute of the<a name="line.94"></a>
<FONT color="green">095</FONT>     * first table.<a name="line.95"></a>
<FONT color="green">096</FONT>     * &lt;/p&gt;<a name="line.96"></a>
<FONT color="green">097</FONT>     * &lt;p&gt;<a name="line.97"></a>
<FONT color="green">098</FONT>     * This example works with the default values for delimiters and index markers.<a name="line.98"></a>
<FONT color="green">099</FONT>     * It is also possible to set custom values for these properties so that you can<a name="line.99"></a>
<FONT color="green">100</FONT>     * adapt a {@code DefaultExpressionEngine} to your personal needs.<a name="line.100"></a>
<FONT color="green">101</FONT>     * &lt;/p&gt;<a name="line.101"></a>
<FONT color="green">102</FONT>     *<a name="line.102"></a>
<FONT color="green">103</FONT>     * @since 1.3<a name="line.103"></a>
<FONT color="green">104</FONT>     * @author &lt;a<a name="line.104"></a>
<FONT color="green">105</FONT>     * href="http://commons.apache.org/configuration/team-list.html"&gt;Commons<a name="line.105"></a>
<FONT color="green">106</FONT>     * Configuration team&lt;/a&gt;<a name="line.106"></a>
<FONT color="green">107</FONT>     * @version $Id: DefaultExpressionEngine.java 1301991 2012-03-17 20:18:02Z sebb $<a name="line.107"></a>
<FONT color="green">108</FONT>     */<a name="line.108"></a>
<FONT color="green">109</FONT>    public class DefaultExpressionEngine implements ExpressionEngine<a name="line.109"></a>
<FONT color="green">110</FONT>    {<a name="line.110"></a>
<FONT color="green">111</FONT>        /** Constant for the default property delimiter. */<a name="line.111"></a>
<FONT color="green">112</FONT>        public static final String DEFAULT_PROPERTY_DELIMITER = ".";<a name="line.112"></a>
<FONT color="green">113</FONT>    <a name="line.113"></a>
<FONT color="green">114</FONT>        /** Constant for the default escaped property delimiter. */<a name="line.114"></a>
<FONT color="green">115</FONT>        public static final String DEFAULT_ESCAPED_DELIMITER = DEFAULT_PROPERTY_DELIMITER<a name="line.115"></a>
<FONT color="green">116</FONT>                + DEFAULT_PROPERTY_DELIMITER;<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>        /** Constant for the default attribute start marker. */<a name="line.118"></a>
<FONT color="green">119</FONT>        public static final String DEFAULT_ATTRIBUTE_START = "[@";<a name="line.119"></a>
<FONT color="green">120</FONT>    <a name="line.120"></a>
<FONT color="green">121</FONT>        /** Constant for the default attribute end marker. */<a name="line.121"></a>
<FONT color="green">122</FONT>        public static final String DEFAULT_ATTRIBUTE_END = "]";<a name="line.122"></a>
<FONT color="green">123</FONT>    <a name="line.123"></a>
<FONT color="green">124</FONT>        /** Constant for the default index start marker. */<a name="line.124"></a>
<FONT color="green">125</FONT>        public static final String DEFAULT_INDEX_START = "(";<a name="line.125"></a>
<FONT color="green">126</FONT>    <a name="line.126"></a>
<FONT color="green">127</FONT>        /** Constant for the default index end marker. */<a name="line.127"></a>
<FONT color="green">128</FONT>        public static final String DEFAULT_INDEX_END = ")";<a name="line.128"></a>
<FONT color="green">129</FONT>    <a name="line.129"></a>
<FONT color="green">130</FONT>        /** Stores the property delimiter. */<a name="line.130"></a>
<FONT color="green">131</FONT>        private String propertyDelimiter = DEFAULT_PROPERTY_DELIMITER;<a name="line.131"></a>
<FONT color="green">132</FONT>    <a name="line.132"></a>
<FONT color="green">133</FONT>        /** Stores the escaped property delimiter. */<a name="line.133"></a>
<FONT color="green">134</FONT>        private String escapedDelimiter = DEFAULT_ESCAPED_DELIMITER;<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>        /** Stores the attribute start marker. */<a name="line.136"></a>
<FONT color="green">137</FONT>        private String attributeStart = DEFAULT_ATTRIBUTE_START;<a name="line.137"></a>
<FONT color="green">138</FONT>    <a name="line.138"></a>
<FONT color="green">139</FONT>        /** Stores the attribute end marker. */<a name="line.139"></a>
<FONT color="green">140</FONT>        private String attributeEnd = DEFAULT_ATTRIBUTE_END;<a name="line.140"></a>
<FONT color="green">141</FONT>    <a name="line.141"></a>
<FONT color="green">142</FONT>        /** Stores the index start marker. */<a name="line.142"></a>
<FONT color="green">143</FONT>        private String indexStart = DEFAULT_INDEX_START;<a name="line.143"></a>
<FONT color="green">144</FONT>    <a name="line.144"></a>
<FONT color="green">145</FONT>        /** stores the index end marker. */<a name="line.145"></a>
<FONT color="green">146</FONT>        private String indexEnd = DEFAULT_INDEX_END;<a name="line.146"></a>
<FONT color="green">147</FONT>    <a name="line.147"></a>
<FONT color="green">148</FONT>        /**<a name="line.148"></a>
<FONT color="green">149</FONT>         * Sets the attribute end marker.<a name="line.149"></a>
<FONT color="green">150</FONT>         *<a name="line.150"></a>
<FONT color="green">151</FONT>         * @return the attribute end marker<a name="line.151"></a>
<FONT color="green">152</FONT>         */<a name="line.152"></a>
<FONT color="green">153</FONT>        public String getAttributeEnd()<a name="line.153"></a>
<FONT color="green">154</FONT>        {<a name="line.154"></a>
<FONT color="green">155</FONT>            return attributeEnd;<a name="line.155"></a>
<FONT color="green">156</FONT>        }<a name="line.156"></a>
<FONT color="green">157</FONT>    <a name="line.157"></a>
<FONT color="green">158</FONT>        /**<a name="line.158"></a>
<FONT color="green">159</FONT>         * Sets the attribute end marker.<a name="line.159"></a>
<FONT color="green">160</FONT>         *<a name="line.160"></a>
<FONT color="green">161</FONT>         * @param attributeEnd the attribute end marker; can be &lt;b&gt;null&lt;/b&gt; if no<a name="line.161"></a>
<FONT color="green">162</FONT>         * end marker is needed<a name="line.162"></a>
<FONT color="green">163</FONT>         */<a name="line.163"></a>
<FONT color="green">164</FONT>        public void setAttributeEnd(String attributeEnd)<a name="line.164"></a>
<FONT color="green">165</FONT>        {<a name="line.165"></a>
<FONT color="green">166</FONT>            this.attributeEnd = attributeEnd;<a name="line.166"></a>
<FONT color="green">167</FONT>        }<a name="line.167"></a>
<FONT color="green">168</FONT>    <a name="line.168"></a>
<FONT color="green">169</FONT>        /**<a name="line.169"></a>
<FONT color="green">170</FONT>         * Returns the attribute start marker.<a name="line.170"></a>
<FONT color="green">171</FONT>         *<a name="line.171"></a>
<FONT color="green">172</FONT>         * @return the attribute start marker<a name="line.172"></a>
<FONT color="green">173</FONT>         */<a name="line.173"></a>
<FONT color="green">174</FONT>        public String getAttributeStart()<a name="line.174"></a>
<FONT color="green">175</FONT>        {<a name="line.175"></a>
<FONT color="green">176</FONT>            return attributeStart;<a name="line.176"></a>
<FONT color="green">177</FONT>        }<a name="line.177"></a>
<FONT color="green">178</FONT>    <a name="line.178"></a>
<FONT color="green">179</FONT>        /**<a name="line.179"></a>
<FONT color="green">180</FONT>         * Sets the attribute start marker. Attribute start and end marker are used<a name="line.180"></a>
<FONT color="green">181</FONT>         * together to detect attributes in a property key.<a name="line.181"></a>
<FONT color="green">182</FONT>         *<a name="line.182"></a>
<FONT color="green">183</FONT>         * @param attributeStart the attribute start marker<a name="line.183"></a>
<FONT color="green">184</FONT>         */<a name="line.184"></a>
<FONT color="green">185</FONT>        public void setAttributeStart(String attributeStart)<a name="line.185"></a>
<FONT color="green">186</FONT>        {<a name="line.186"></a>
<FONT color="green">187</FONT>            this.attributeStart = attributeStart;<a name="line.187"></a>
<FONT color="green">188</FONT>        }<a name="line.188"></a>
<FONT color="green">189</FONT>    <a name="line.189"></a>
<FONT color="green">190</FONT>        /**<a name="line.190"></a>
<FONT color="green">191</FONT>         * Returns the escaped property delimiter string.<a name="line.191"></a>
<FONT color="green">192</FONT>         *<a name="line.192"></a>
<FONT color="green">193</FONT>         * @return the escaped property delimiter<a name="line.193"></a>
<FONT color="green">194</FONT>         */<a name="line.194"></a>
<FONT color="green">195</FONT>        public String getEscapedDelimiter()<a name="line.195"></a>
<FONT color="green">196</FONT>        {<a name="line.196"></a>
<FONT color="green">197</FONT>            return escapedDelimiter;<a name="line.197"></a>
<FONT color="green">198</FONT>        }<a name="line.198"></a>
<FONT color="green">199</FONT>    <a name="line.199"></a>
<FONT color="green">200</FONT>        /**<a name="line.200"></a>
<FONT color="green">201</FONT>         * Sets the escaped property delimiter string. With this string a delimiter<a name="line.201"></a>
<FONT color="green">202</FONT>         * that belongs to the key of a property can be escaped. If for instance<a name="line.202"></a>
<FONT color="green">203</FONT>         * &amp;quot;.&amp;quot; is used as property delimiter, you can set the escaped<a name="line.203"></a>
<FONT color="green">204</FONT>         * delimiter to &amp;quot;\.&amp;quot; and can then escape the delimiter with a back<a name="line.204"></a>
<FONT color="green">205</FONT>         * slash.<a name="line.205"></a>
<FONT color="green">206</FONT>         *<a name="line.206"></a>
<FONT color="green">207</FONT>         * @param escapedDelimiter the escaped delimiter string<a name="line.207"></a>
<FONT color="green">208</FONT>         */<a name="line.208"></a>
<FONT color="green">209</FONT>        public void setEscapedDelimiter(String escapedDelimiter)<a name="line.209"></a>
<FONT color="green">210</FONT>        {<a name="line.210"></a>
<FONT color="green">211</FONT>            this.escapedDelimiter = escapedDelimiter;<a name="line.211"></a>
<FONT color="green">212</FONT>        }<a name="line.212"></a>
<FONT color="green">213</FONT>    <a name="line.213"></a>
<FONT color="green">214</FONT>        /**<a name="line.214"></a>
<FONT color="green">215</FONT>         * Returns the index end marker.<a name="line.215"></a>
<FONT color="green">216</FONT>         *<a name="line.216"></a>
<FONT color="green">217</FONT>         * @return the index end marker<a name="line.217"></a>
<FONT color="green">218</FONT>         */<a name="line.218"></a>
<FONT color="green">219</FONT>        public String getIndexEnd()<a name="line.219"></a>
<FONT color="green">220</FONT>        {<a name="line.220"></a>
<FONT color="green">221</FONT>            return indexEnd;<a name="line.221"></a>
<FONT color="green">222</FONT>        }<a name="line.222"></a>
<FONT color="green">223</FONT>    <a name="line.223"></a>
<FONT color="green">224</FONT>        /**<a name="line.224"></a>
<FONT color="green">225</FONT>         * Sets the index end marker.<a name="line.225"></a>
<FONT color="green">226</FONT>         *<a name="line.226"></a>
<FONT color="green">227</FONT>         * @param indexEnd the index end marker<a name="line.227"></a>
<FONT color="green">228</FONT>         */<a name="line.228"></a>
<FONT color="green">229</FONT>        public void setIndexEnd(String indexEnd)<a name="line.229"></a>
<FONT color="green">230</FONT>        {<a name="line.230"></a>
<FONT color="green">231</FONT>            this.indexEnd = indexEnd;<a name="line.231"></a>
<FONT color="green">232</FONT>        }<a name="line.232"></a>
<FONT color="green">233</FONT>    <a name="line.233"></a>
<FONT color="green">234</FONT>        /**<a name="line.234"></a>
<FONT color="green">235</FONT>         * Returns the index start marker.<a name="line.235"></a>
<FONT color="green">236</FONT>         *<a name="line.236"></a>
<FONT color="green">237</FONT>         * @return the index start marker<a name="line.237"></a>
<FONT color="green">238</FONT>         */<a name="line.238"></a>
<FONT color="green">239</FONT>        public String getIndexStart()<a name="line.239"></a>
<FONT color="green">240</FONT>        {<a name="line.240"></a>
<FONT color="green">241</FONT>            return indexStart;<a name="line.241"></a>
<FONT color="green">242</FONT>        }<a name="line.242"></a>
<FONT color="green">243</FONT>    <a name="line.243"></a>
<FONT color="green">244</FONT>        /**<a name="line.244"></a>
<FONT color="green">245</FONT>         * Sets the index start marker. Index start and end marker are used together<a name="line.245"></a>
<FONT color="green">246</FONT>         * to detect indices in a property key.<a name="line.246"></a>
<FONT color="green">247</FONT>         *<a name="line.247"></a>
<FONT color="green">248</FONT>         * @param indexStart the index start marker<a name="line.248"></a>
<FONT color="green">249</FONT>         */<a name="line.249"></a>
<FONT color="green">250</FONT>        public void setIndexStart(String indexStart)<a name="line.250"></a>
<FONT color="green">251</FONT>        {<a name="line.251"></a>
<FONT color="green">252</FONT>            this.indexStart = indexStart;<a name="line.252"></a>
<FONT color="green">253</FONT>        }<a name="line.253"></a>
<FONT color="green">254</FONT>    <a name="line.254"></a>
<FONT color="green">255</FONT>        /**<a name="line.255"></a>
<FONT color="green">256</FONT>         * Returns the property delimiter.<a name="line.256"></a>
<FONT color="green">257</FONT>         *<a name="line.257"></a>
<FONT color="green">258</FONT>         * @return the property delimiter<a name="line.258"></a>
<FONT color="green">259</FONT>         */<a name="line.259"></a>
<FONT color="green">260</FONT>        public String getPropertyDelimiter()<a name="line.260"></a>
<FONT color="green">261</FONT>        {<a name="line.261"></a>
<FONT color="green">262</FONT>            return propertyDelimiter;<a name="line.262"></a>
<FONT color="green">263</FONT>        }<a name="line.263"></a>
<FONT color="green">264</FONT>    <a name="line.264"></a>
<FONT color="green">265</FONT>        /**<a name="line.265"></a>
<FONT color="green">266</FONT>         * Sets the property delimiter. This string is used to split the parts of a<a name="line.266"></a>
<FONT color="green">267</FONT>         * property key.<a name="line.267"></a>
<FONT color="green">268</FONT>         *<a name="line.268"></a>
<FONT color="green">269</FONT>         * @param propertyDelimiter the property delimiter<a name="line.269"></a>
<FONT color="green">270</FONT>         */<a name="line.270"></a>
<FONT color="green">271</FONT>        public void setPropertyDelimiter(String propertyDelimiter)<a name="line.271"></a>
<FONT color="green">272</FONT>        {<a name="line.272"></a>
<FONT color="green">273</FONT>            this.propertyDelimiter = propertyDelimiter;<a name="line.273"></a>
<FONT color="green">274</FONT>        }<a name="line.274"></a>
<FONT color="green">275</FONT>    <a name="line.275"></a>
<FONT color="green">276</FONT>        /**<a name="line.276"></a>
<FONT color="green">277</FONT>         * Evaluates the given key and returns all matching nodes. This method<a name="line.277"></a>
<FONT color="green">278</FONT>         * supports the syntax as described in the class comment.<a name="line.278"></a>
<FONT color="green">279</FONT>         *<a name="line.279"></a>
<FONT color="green">280</FONT>         * @param root the root node<a name="line.280"></a>
<FONT color="green">281</FONT>         * @param key the key<a name="line.281"></a>
<FONT color="green">282</FONT>         * @return a list with the matching nodes<a name="line.282"></a>
<FONT color="green">283</FONT>         */<a name="line.283"></a>
<FONT color="green">284</FONT>        public List&lt;ConfigurationNode&gt; query(ConfigurationNode root, String key)<a name="line.284"></a>
<FONT color="green">285</FONT>        {<a name="line.285"></a>
<FONT color="green">286</FONT>            List&lt;ConfigurationNode&gt; nodes = new LinkedList&lt;ConfigurationNode&gt;();<a name="line.286"></a>
<FONT color="green">287</FONT>            findNodesForKey(new DefaultConfigurationKey(this, key).iterator(),<a name="line.287"></a>
<FONT color="green">288</FONT>                    root, nodes);<a name="line.288"></a>
<FONT color="green">289</FONT>            return nodes;<a name="line.289"></a>
<FONT color="green">290</FONT>        }<a name="line.290"></a>
<FONT color="green">291</FONT>    <a name="line.291"></a>
<FONT color="green">292</FONT>        /**<a name="line.292"></a>
<FONT color="green">293</FONT>         * Determines the key of the passed in node. This implementation takes the<a name="line.293"></a>
<FONT color="green">294</FONT>         * given parent key, adds a property delimiter, and then adds the node's<a name="line.294"></a>
<FONT color="green">295</FONT>         * name. (For attribute nodes the attribute delimiters are used instead.)<a name="line.295"></a>
<FONT color="green">296</FONT>         * The name of the root node is a blanc string. Note that no indices will be<a name="line.296"></a>
<FONT color="green">297</FONT>         * returned.<a name="line.297"></a>
<FONT color="green">298</FONT>         *<a name="line.298"></a>
<FONT color="green">299</FONT>         * @param node the node whose key is to be determined<a name="line.299"></a>
<FONT color="green">300</FONT>         * @param parentKey the key of this node's parent<a name="line.300"></a>
<FONT color="green">301</FONT>         * @return the key for the given node<a name="line.301"></a>
<FONT color="green">302</FONT>         */<a name="line.302"></a>
<FONT color="green">303</FONT>        public String nodeKey(ConfigurationNode node, String parentKey)<a name="line.303"></a>
<FONT color="green">304</FONT>        {<a name="line.304"></a>
<FONT color="green">305</FONT>            if (parentKey == null)<a name="line.305"></a>
<FONT color="green">306</FONT>            {<a name="line.306"></a>
<FONT color="green">307</FONT>                // this is the root node<a name="line.307"></a>
<FONT color="green">308</FONT>                return StringUtils.EMPTY;<a name="line.308"></a>
<FONT color="green">309</FONT>            }<a name="line.309"></a>
<FONT color="green">310</FONT>    <a name="line.310"></a>
<FONT color="green">311</FONT>            else<a name="line.311"></a>
<FONT color="green">312</FONT>            {<a name="line.312"></a>
<FONT color="green">313</FONT>                DefaultConfigurationKey key = new DefaultConfigurationKey(this,<a name="line.313"></a>
<FONT color="green">314</FONT>                        parentKey);<a name="line.314"></a>
<FONT color="green">315</FONT>                if (node.isAttribute())<a name="line.315"></a>
<FONT color="green">316</FONT>                {<a name="line.316"></a>
<FONT color="green">317</FONT>                    key.appendAttribute(node.getName());<a name="line.317"></a>
<FONT color="green">318</FONT>                }<a name="line.318"></a>
<FONT color="green">319</FONT>                else<a name="line.319"></a>
<FONT color="green">320</FONT>                {<a name="line.320"></a>
<FONT color="green">321</FONT>                    key.append(node.getName(), true);<a name="line.321"></a>
<FONT color="green">322</FONT>                }<a name="line.322"></a>
<FONT color="green">323</FONT>                return key.toString();<a name="line.323"></a>
<FONT color="green">324</FONT>            }<a name="line.324"></a>
<FONT color="green">325</FONT>        }<a name="line.325"></a>
<FONT color="green">326</FONT>    <a name="line.326"></a>
<FONT color="green">327</FONT>        /**<a name="line.327"></a>
<FONT color="green">328</FONT>         * &lt;p&gt;<a name="line.328"></a>
<FONT color="green">329</FONT>         * Prepares Adding the property with the specified key.<a name="line.329"></a>
<FONT color="green">330</FONT>         * &lt;/p&gt;<a name="line.330"></a>
<FONT color="green">331</FONT>         * &lt;p&gt;<a name="line.331"></a>
<FONT color="green">332</FONT>         * To be able to deal with the structure supported by hierarchical<a name="line.332"></a>
<FONT color="green">333</FONT>         * configuration implementations the passed in key is of importance,<a name="line.333"></a>
<FONT color="green">334</FONT>         * especially the indices it might contain. The following example should<a name="line.334"></a>
<FONT color="green">335</FONT>         * clarify this: Suppose the actual node structure looks like the<a name="line.335"></a>
<FONT color="green">336</FONT>         * following:<a name="line.336"></a>
<FONT color="green">337</FONT>         * &lt;/p&gt;<a name="line.337"></a>
<FONT color="green">338</FONT>         * &lt;p&gt;<a name="line.338"></a>
<FONT color="green">339</FONT>         * &lt;pre&gt;<a name="line.339"></a>
<FONT color="green">340</FONT>         *  tables<a name="line.340"></a>
<FONT color="green">341</FONT>         *     +-- table<a name="line.341"></a>
<FONT color="green">342</FONT>         *             +-- name = user<a name="line.342"></a>
<FONT color="green">343</FONT>         *             +-- fields<a name="line.343"></a>
<FONT color="green">344</FONT>         *                     +-- field<a name="line.344"></a>
<FONT color="green">345</FONT>         *                             +-- name = uid<a name="line.345"></a>
<FONT color="green">346</FONT>         *                     +-- field<a name="line.346"></a>
<FONT color="green">347</FONT>         *                             +-- name = firstName<a name="line.347"></a>
<FONT color="green">348</FONT>         *                     ...<a name="line.348"></a>
<FONT color="green">349</FONT>         *     +-- table<a name="line.349"></a>
<FONT color="green">350</FONT>         *             +-- name = documents<a name="line.350"></a>
<FONT color="green">351</FONT>         *             +-- fields<a name="line.351"></a>
<FONT color="green">352</FONT>         *                    ...<a name="line.352"></a>
<FONT color="green">353</FONT>         * &lt;/pre&gt;<a name="line.353"></a>
<FONT color="green">354</FONT>         * &lt;/p&gt;<a name="line.354"></a>
<FONT color="green">355</FONT>         * &lt;p&gt;<a name="line.355"></a>
<FONT color="green">356</FONT>         * In this example a database structure is defined, e.g. all fields of the<a name="line.356"></a>
<FONT color="green">357</FONT>         * first table could be accessed using the key<a name="line.357"></a>
<FONT color="green">358</FONT>         * {@code tables.table(0).fields.field.name}. If now properties are<a name="line.358"></a>
<FONT color="green">359</FONT>         * to be added, it must be exactly specified at which position in the<a name="line.359"></a>
<FONT color="green">360</FONT>         * hierarchy the new property is to be inserted. So to add a new field name<a name="line.360"></a>
<FONT color="green">361</FONT>         * to a table it is not enough to say just<a name="line.361"></a>
<FONT color="green">362</FONT>         * &lt;/p&gt;<a name="line.362"></a>
<FONT color="green">363</FONT>         * &lt;p&gt;<a name="line.363"></a>
<FONT color="green">364</FONT>         * &lt;pre&gt;<a name="line.364"></a>
<FONT color="green">365</FONT>         * config.addProperty(&amp;quot;tables.table.fields.field.name&amp;quot;, &amp;quot;newField&amp;quot;);<a name="line.365"></a>
<FONT color="green">366</FONT>         * &lt;/pre&gt;<a name="line.366"></a>
<FONT color="green">367</FONT>         * &lt;/p&gt;<a name="line.367"></a>
<FONT color="green">368</FONT>         * &lt;p&gt;<a name="line.368"></a>
<FONT color="green">369</FONT>         * The statement given above contains some ambiguity. For instance it is not<a name="line.369"></a>
<FONT color="green">370</FONT>         * clear, to which table the new field should be added. If this method finds<a name="line.370"></a>
<FONT color="green">371</FONT>         * such an ambiguity, it is resolved by following the last valid path. Here<a name="line.371"></a>
<FONT color="green">372</FONT>         * this would be the last table. The same is true for the {@code field};<a name="line.372"></a>
<FONT color="green">373</FONT>         * because there are multiple fields and no explicit index is provided, a<a name="line.373"></a>
<FONT color="green">374</FONT>         * new {@code name} property would be added to the last field - which<a name="line.374"></a>
<FONT color="green">375</FONT>         * is probably not what was desired.<a name="line.375"></a>
<FONT color="green">376</FONT>         * &lt;/p&gt;<a name="line.376"></a>
<FONT color="green">377</FONT>         * &lt;p&gt;<a name="line.377"></a>
<FONT color="green">378</FONT>         * To make things clear explicit indices should be provided whenever<a name="line.378"></a>
<FONT color="green">379</FONT>         * possible. In the example above the exact table could be specified by<a name="line.379"></a>
<FONT color="green">380</FONT>         * providing an index for the {@code table} element as in<a name="line.380"></a>
<FONT color="green">381</FONT>         * {@code tables.table(1).fields}. By specifying an index it can<a name="line.381"></a>
<FONT color="green">382</FONT>         * also be expressed that at a given position in the configuration tree a<a name="line.382"></a>
<FONT color="green">383</FONT>         * new branch should be added. In the example above we did not want to add<a name="line.383"></a>
<FONT color="green">384</FONT>         * an additional {@code name} element to the last field of the table,<a name="line.384"></a>
<FONT color="green">385</FONT>         * but we want a complete new {@code field} element. This can be<a name="line.385"></a>
<FONT color="green">386</FONT>         * achieved by specifying an invalid index (like -1) after the element where<a name="line.386"></a>
<FONT color="green">387</FONT>         * a new branch should be created. Given this our example would run:<a name="line.387"></a>
<FONT color="green">388</FONT>         * &lt;/p&gt;<a name="line.388"></a>
<FONT color="green">389</FONT>         * &lt;p&gt;<a name="line.389"></a>
<FONT color="green">390</FONT>         * &lt;pre&gt;<a name="line.390"></a>
<FONT color="green">391</FONT>         * config.addProperty(&amp;quot;tables.table(1).fields.field(-1).name&amp;quot;, &amp;quot;newField&amp;quot;);<a name="line.391"></a>
<FONT color="green">392</FONT>         * &lt;/pre&gt;<a name="line.392"></a>
<FONT color="green">393</FONT>         * &lt;/p&gt;<a name="line.393"></a>
<FONT color="green">394</FONT>         * &lt;p&gt;<a name="line.394"></a>
<FONT color="green">395</FONT>         * With this notation it is possible to add new branches everywhere. We<a name="line.395"></a>
<FONT color="green">396</FONT>         * could for instance create a new {@code table} element by<a name="line.396"></a>
<FONT color="green">397</FONT>         * specifying<a name="line.397"></a>
<FONT color="green">398</FONT>         * &lt;/p&gt;<a name="line.398"></a>
<FONT color="green">399</FONT>         * &lt;p&gt;<a name="line.399"></a>
<FONT color="green">400</FONT>         * &lt;pre&gt;<a name="line.400"></a>
<FONT color="green">401</FONT>         * config.addProperty(&amp;quot;tables.table(-1).fields.field.name&amp;quot;, &amp;quot;newField2&amp;quot;);<a name="line.401"></a>
<FONT color="green">402</FONT>         * &lt;/pre&gt;<a name="line.402"></a>
<FONT color="green">403</FONT>         * &lt;/p&gt;<a name="line.403"></a>
<FONT color="green">404</FONT>         * &lt;p&gt;<a name="line.404"></a>
<FONT color="green">405</FONT>         * (Note that because after the {@code table} element a new branch is<a name="line.405"></a>
<FONT color="green">406</FONT>         * created indices in following elements are not relevant; the branch is new<a name="line.406"></a>
<FONT color="green">407</FONT>         * so there cannot be any ambiguities.)<a name="line.407"></a>
<FONT color="green">408</FONT>         * &lt;/p&gt;<a name="line.408"></a>
<FONT color="green">409</FONT>         *<a name="line.409"></a>
<FONT color="green">410</FONT>         * @param root the root node of the nodes hierarchy<a name="line.410"></a>
<FONT color="green">411</FONT>         * @param key the key of the new property<a name="line.411"></a>
<FONT color="green">412</FONT>         * @return a data object with information needed for the add operation<a name="line.412"></a>
<FONT color="green">413</FONT>         */<a name="line.413"></a>
<FONT color="green">414</FONT>        public NodeAddData prepareAdd(ConfigurationNode root, String key)<a name="line.414"></a>
<FONT color="green">415</FONT>        {<a name="line.415"></a>
<FONT color="green">416</FONT>            DefaultConfigurationKey.KeyIterator it = new DefaultConfigurationKey(<a name="line.416"></a>
<FONT color="green">417</FONT>                    this, key).iterator();<a name="line.417"></a>
<FONT color="green">418</FONT>            if (!it.hasNext())<a name="line.418"></a>
<FONT color="green">419</FONT>            {<a name="line.419"></a>
<FONT color="green">420</FONT>                throw new IllegalArgumentException(<a name="line.420"></a>
<FONT color="green">421</FONT>                        "Key for add operation must be defined!");<a name="line.421"></a>
<FONT color="green">422</FONT>            }<a name="line.422"></a>
<FONT color="green">423</FONT>    <a name="line.423"></a>
<FONT color="green">424</FONT>            NodeAddData result = new NodeAddData();<a name="line.424"></a>
<FONT color="green">425</FONT>            result.setParent(findLastPathNode(it, root));<a name="line.425"></a>
<FONT color="green">426</FONT>    <a name="line.426"></a>
<FONT color="green">427</FONT>            while (it.hasNext())<a name="line.427"></a>
<FONT color="green">428</FONT>            {<a name="line.428"></a>
<FONT color="green">429</FONT>                if (!it.isPropertyKey())<a name="line.429"></a>
<FONT color="green">430</FONT>                {<a name="line.430"></a>
<FONT color="green">431</FONT>                    throw new IllegalArgumentException(<a name="line.431"></a>
<FONT color="green">432</FONT>                            "Invalid key for add operation: " + key<a name="line.432"></a>
<FONT color="green">433</FONT>                                    + " (Attribute key in the middle.)");<a name="line.433"></a>
<FONT color="green">434</FONT>                }<a name="line.434"></a>
<FONT color="green">435</FONT>                result.addPathNode(it.currentKey());<a name="line.435"></a>
<FONT color="green">436</FONT>                it.next();<a name="line.436"></a>
<FONT color="green">437</FONT>            }<a name="line.437"></a>
<FONT color="green">438</FONT>    <a name="line.438"></a>
<FONT color="green">439</FONT>            result.setNewNodeName(it.currentKey());<a name="line.439"></a>
<FONT color="green">440</FONT>            result.setAttribute(!it.isPropertyKey());<a name="line.440"></a>
<FONT color="green">441</FONT>            return result;<a name="line.441"></a>
<FONT color="green">442</FONT>        }<a name="line.442"></a>
<FONT color="green">443</FONT>    <a name="line.443"></a>
<FONT color="green">444</FONT>        /**<a name="line.444"></a>
<FONT color="green">445</FONT>         * Recursive helper method for evaluating a key. This method processes all<a name="line.445"></a>
<FONT color="green">446</FONT>         * facets of a configuration key, traverses the tree of properties and<a name="line.446"></a>
<FONT color="green">447</FONT>         * fetches the the nodes of all matching properties.<a name="line.447"></a>
<FONT color="green">448</FONT>         *<a name="line.448"></a>
<FONT color="green">449</FONT>         * @param keyPart the configuration key iterator<a name="line.449"></a>
<FONT color="green">450</FONT>         * @param node the actual node<a name="line.450"></a>
<FONT color="green">451</FONT>         * @param nodes here the found nodes are stored<a name="line.451"></a>
<FONT color="green">452</FONT>         */<a name="line.452"></a>
<FONT color="green">453</FONT>        protected void findNodesForKey(DefaultConfigurationKey.KeyIterator keyPart,<a name="line.453"></a>
<FONT color="green">454</FONT>                ConfigurationNode node, Collection&lt;ConfigurationNode&gt; nodes)<a name="line.454"></a>
<FONT color="green">455</FONT>        {<a name="line.455"></a>
<FONT color="green">456</FONT>            if (!keyPart.hasNext())<a name="line.456"></a>
<FONT color="green">457</FONT>            {<a name="line.457"></a>
<FONT color="green">458</FONT>                nodes.add(node);<a name="line.458"></a>
<FONT color="green">459</FONT>            }<a name="line.459"></a>
<FONT color="green">460</FONT>    <a name="line.460"></a>
<FONT color="green">461</FONT>            else<a name="line.461"></a>
<FONT color="green">462</FONT>            {<a name="line.462"></a>
<FONT color="green">463</FONT>                String key = keyPart.nextKey(false);<a name="line.463"></a>
<FONT color="green">464</FONT>                if (keyPart.isPropertyKey())<a name="line.464"></a>
<FONT color="green">465</FONT>                {<a name="line.465"></a>
<FONT color="green">466</FONT>                    processSubNodes(keyPart, node.getChildren(key), nodes);<a name="line.466"></a>
<FONT color="green">467</FONT>                }<a name="line.467"></a>
<FONT color="green">468</FONT>                if (keyPart.isAttribute())<a name="line.468"></a>
<FONT color="green">469</FONT>                {<a name="line.469"></a>
<FONT color="green">470</FONT>                    processSubNodes(keyPart, node.getAttributes(key), nodes);<a name="line.470"></a>
<FONT color="green">471</FONT>                }<a name="line.471"></a>
<FONT color="green">472</FONT>            }<a name="line.472"></a>
<FONT color="green">473</FONT>        }<a name="line.473"></a>
<FONT color="green">474</FONT>    <a name="line.474"></a>
<FONT color="green">475</FONT>        /**<a name="line.475"></a>
<FONT color="green">476</FONT>         * Finds the last existing node for an add operation. This method traverses<a name="line.476"></a>
<FONT color="green">477</FONT>         * the configuration node tree along the specified key. The last existing<a name="line.477"></a>
<FONT color="green">478</FONT>         * node on this path is returned.<a name="line.478"></a>
<FONT color="green">479</FONT>         *<a name="line.479"></a>
<FONT color="green">480</FONT>         * @param keyIt the key iterator<a name="line.480"></a>
<FONT color="green">481</FONT>         * @param node the actual node<a name="line.481"></a>
<FONT color="green">482</FONT>         * @return the last existing node on the given path<a name="line.482"></a>
<FONT color="green">483</FONT>         */<a name="line.483"></a>
<FONT color="green">484</FONT>        protected ConfigurationNode findLastPathNode(<a name="line.484"></a>
<FONT color="green">485</FONT>                DefaultConfigurationKey.KeyIterator keyIt, ConfigurationNode node)<a name="line.485"></a>
<FONT color="green">486</FONT>        {<a name="line.486"></a>
<FONT color="green">487</FONT>            String keyPart = keyIt.nextKey(false);<a name="line.487"></a>
<FONT color="green">488</FONT>    <a name="line.488"></a>
<FONT color="green">489</FONT>            if (keyIt.hasNext())<a name="line.489"></a>
<FONT color="green">490</FONT>            {<a name="line.490"></a>
<FONT color="green">491</FONT>                if (!keyIt.isPropertyKey())<a name="line.491"></a>
<FONT color="green">492</FONT>                {<a name="line.492"></a>
<FONT color="green">493</FONT>                    // Attribute keys can only appear as last elements of the path<a name="line.493"></a>
<FONT color="green">494</FONT>                    throw new IllegalArgumentException(<a name="line.494"></a>
<FONT color="green">495</FONT>                            "Invalid path for add operation: "<a name="line.495"></a>
<FONT color="green">496</FONT>                                    + "Attribute key in the middle!");<a name="line.496"></a>
<FONT color="green">497</FONT>                }<a name="line.497"></a>
<FONT color="green">498</FONT>                int idx = keyIt.hasIndex() ? keyIt.getIndex() : node<a name="line.498"></a>
<FONT color="green">499</FONT>                        .getChildrenCount(keyPart) - 1;<a name="line.499"></a>
<FONT color="green">500</FONT>                if (idx &lt; 0 || idx &gt;= node.getChildrenCount(keyPart))<a name="line.500"></a>
<FONT color="green">501</FONT>                {<a name="line.501"></a>
<FONT color="green">502</FONT>                    return node;<a name="line.502"></a>
<FONT color="green">503</FONT>                }<a name="line.503"></a>
<FONT color="green">504</FONT>                else<a name="line.504"></a>
<FONT color="green">505</FONT>                {<a name="line.505"></a>
<FONT color="green">506</FONT>                    return findLastPathNode(keyIt, node.getChildren(keyPart).get(idx));<a name="line.506"></a>
<FONT color="green">507</FONT>                }<a name="line.507"></a>
<FONT color="green">508</FONT>            }<a name="line.508"></a>
<FONT color="green">509</FONT>    <a name="line.509"></a>
<FONT color="green">510</FONT>            else<a name="line.510"></a>
<FONT color="green">511</FONT>            {<a name="line.511"></a>
<FONT color="green">512</FONT>                return node;<a name="line.512"></a>
<FONT color="green">513</FONT>            }<a name="line.513"></a>
<FONT color="green">514</FONT>        }<a name="line.514"></a>
<FONT color="green">515</FONT>    <a name="line.515"></a>
<FONT color="green">516</FONT>        /**<a name="line.516"></a>
<FONT color="green">517</FONT>         * Called by {@code findNodesForKey()} to process the sub nodes of<a name="line.517"></a>
<FONT color="green">518</FONT>         * the current node depending on the type of the current key part (children,<a name="line.518"></a>
<FONT color="green">519</FONT>         * attributes, or both).<a name="line.519"></a>
<FONT color="green">520</FONT>         *<a name="line.520"></a>
<FONT color="green">521</FONT>         * @param keyPart the key part<a name="line.521"></a>
<FONT color="green">522</FONT>         * @param subNodes a list with the sub nodes to process<a name="line.522"></a>
<FONT color="green">523</FONT>         * @param nodes the target collection<a name="line.523"></a>
<FONT color="green">524</FONT>         */<a name="line.524"></a>
<FONT color="green">525</FONT>        private void processSubNodes(DefaultConfigurationKey.KeyIterator keyPart,<a name="line.525"></a>
<FONT color="green">526</FONT>                List&lt;ConfigurationNode&gt; subNodes, Collection&lt;ConfigurationNode&gt; nodes)<a name="line.526"></a>
<FONT color="green">527</FONT>        {<a name="line.527"></a>
<FONT color="green">528</FONT>            if (keyPart.hasIndex())<a name="line.528"></a>
<FONT color="green">529</FONT>            {<a name="line.529"></a>
<FONT color="green">530</FONT>                if (keyPart.getIndex() &gt;= 0 &amp;&amp; keyPart.getIndex() &lt; subNodes.size())<a name="line.530"></a>
<FONT color="green">531</FONT>                {<a name="line.531"></a>
<FONT color="green">532</FONT>                    findNodesForKey((DefaultConfigurationKey.KeyIterator) keyPart<a name="line.532"></a>
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<FONT color="green">545</FONT>    }<a name="line.545"></a>




























































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